Awwwwww, so sweet! This could be a great way to take pictures on a regular basis to show growth. Plus, a chalkboard wall would be super fun to have in the nursery, both as a changeable piece of artwork and also for when Baby W grows up a little.
Baby book. Monthly picture on one side, text on the other about the month. Take it a step further by taking their picture with the same thing every month so you can see how they've grown. Or if you are like me and missed those one every year